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Hi-Fi is generally defined as a set of stereo speakers and a subwoofer is connected to an amplifier in your home. Stereo or surround sound is the ability to create a directional sound from two independent speakers beats by dre. Stereophonic term derives from the Greek wordstereo, ie solid phone, its meaning. Stereo, has evolved into multichannel surround sound. multichannel audio, also known as the surround sound requires at least four and up to seven audio channels or speakers placed in front of and behind the center of hissurroundings and so the listener in sound. multi-channel audio is also known as channels 5.1, 6.1 or 7.1.

Home stereo systems are normally connected to achieve 5.1-channel surround soundaudio. 5.1, and a home stereo system for about five satellite speakers and a subwooferto provide the perfect sound for the room. A 5.1-channel audio is the industry standardaudio format for movies and music with the five main audio channels and a sixth channel sub-woofer (called ”dot-channels), which is used in particular to the effects of film, music and low . 5.1-channel system consists of a pair of stereo speakers, a center speaker between the stereo speakers and two surround speakers behind the listener.

6.1 channel audio such as audio optimization of the 5.1-channel surround sound in addition to its central location between the two surround speakers directly behind the listener. 6.1 channel surround sound audio to produce more body studio headphones. A 7.1-channel soundis still a good improvement in 5.1 audio, with two additional surround speakers are located on the lateral sides of the seating position of the listener. 7.1 channel sound is mainly used for more accurate sound positioning.